Let’s face it: Losing weight is hard. It takes willpower to resist overeating, discipline to choose healthy foods and motivation to get your butt to the gym regularly. But wouldn’t it be great if you could take a magic pill and miraculously get a body like Eva Longoria or Halle Berry? “I wish I had a penny for every weight-loss patients who has said, ‘Just give me a pill, and I’ll take it!'” says Amy Jamieson-Petonic, a Cleveland dietician and spokesperson for the American Dietetic Association (ADA). Sadly, it’s not that easy. But is there any truth to the enticing claims made by weight-loss pill manufacturers — or Anna Nicole Smith, the poster girl for the supplement TrimSpa? Can you safely use diet supplements or drugs to shed pounds? We asked the experts for the real skinny.